﻿using System;
using System.Globalization;
using System.Net;
using System.Text;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Moq;
using Xpedite.Resources;
using Xpedite.Resources.Loaders;

/* Copyright (c) 2010 CBaxter
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), 
 * to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, 
 * and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 
 * IN THE SOFTWARE. 
 */

namespace Xpedite.Test.Resources.DataLoaders
{
  [TestClass]
  public class WebResourceLoaderTest
  {
    private readonly Mock<IResourceUrl> _resourceUrl = new Mock<IResourceUrl>(MockBehavior.Strict);

#if DEBUG
    [Ignore]
#endif
    [TestMethod]
    public void TestDownloadTextContentWhenUrlFound()
    {
      _resourceUrl.Setup(mock => mock.ToUri()).Returns(new Uri(@"http://www.w3.org/2008/site/js/lang/strings.js"));

      ResourceData data = new WebResourceLoader(_resourceUrl.Object).LoadData();

      Assert.AreEqual(Encoding.UTF8.WebName, data.Encoding.WebName);
      Assert.AreEqual("{\"lang\": \"en\", \"region\": \"W3C By Region\" }", data.Encoding.GetString(data.Bytes));
      Assert.AreEqual(DateTime.ParseExact("Wed, 31 Mar 2010 08:00:36 GMT", DateFormat.RFC1123, CultureInfo.CurrentCulture), data.LastModified);
    }

    [TestMethod]
    public void TestDownloadTextContentWhenVirtualRootUrlProvided()
    {
      _resourceUrl.Setup(mock => mock.ToUri()).Returns(new Uri(@"~/undefined/file.ext", UriKind.Relative));

      Expect.Exception(() => new WebResourceLoader(_resourceUrl.Object).LoadData(), new InvalidOperationException("This operation is not supported for a relative URI."));
    }

    [TestMethod]
    public void TestDownloadTextContentWhenUrlNotFound()
    {
      _resourceUrl.Setup(mock => mock.ToUri()).Returns(new Uri(@"http://hostname/undefined/file.ext"));

      Expect.Exception(() => new WebResourceLoader(_resourceUrl.Object).LoadData(), new WebException("The remote name could not be resolved: 'hostname'"));
    }

    [TestMethod]
    public void TestDownloadTextContentWhenUrlMalformed()
    {
      _resourceUrl.Setup(mock => mock.ToUri()).Returns(new Uri(@"htp://hostname/undefined/file.ext"));
      
      Expect.Exception(() => new WebResourceLoader(_resourceUrl.Object).LoadData(), new WebException("An exception occurred during a WebClient request."));
    }
  }
}
